314143439 has 2 divisors, whose sum is σ = 314143440. Its totient is φ = 314143438.

The previous prime is 314143411. The next prime is 314143447. The reversal of 314143439 is 934341413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314143439 is a prime.

It is a super-2 number, since 2×314143439² = 197372200533493442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314143469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157071719 + 157071720.

It is an arithmetic number, because the mean of its divisors is an integer number (157071720).

Almost surely, 2^314143439 is an apocalyptic number.

314143439 is a deficient number, since it is larger than the sum of its proper divisors (1).

314143439 is an equidigital number, since it uses as much as digits as its factorization.

314143439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 314143439 is about 17724.0920500882. The cubic root of 314143439 is about 679.7919194652.

The spelling of 314143439 in words is "three hundred fourteen million, one hundred forty-three thousand, four hundred thirty-nine".